5310-00-721-5855

Find complete technical information, availability, and procurement data for: 5310-00-721-5855
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-721-5855

Item Name Code

01859

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

slotted, hexagon nut style, 0.617 inches minimum and 0.665 inches maximum nut height, right-hand thread direction, 1.0880 inches minimum and 1.1250 inches maximum width across flats, 2b thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Nut Style: slotted, hexagon
Nut Height: 0.617 inches minimum and 0.665 inches maximum
Width Across Flats: 1.0880 inches minimum and 1.1250 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 16
Hardness Rating: 163.0 brinell standard minimum
Nominal Thread Size: 0.750 inches
Bearing Surface Type: chamfered or washer faced
Material: steel overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec 1st treatment response or qq-z-325,ty 2,cl 3 fed spec 2nd treatment response overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
FFN836GPBSTYLE3	Nut,plain,slotted,hexagon
MS35692-1228	Nut,plain,slotted,hexagon

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-721-5855?

The FSCG of the NSN 5310-00-721-5855 is 5310

Does the NSN 5310-00-721-5855 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-721-5855 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-00-721-5855 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-721-5855 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-00-721-5855 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963